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block: rename bio bi_rw to bi_opf

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Since commit 63a4cc2486, bio->bi_rw contains flags in the lower
portion and the op code in the higher portions. This means that
old code that relies on manually setting bi_rw is most likely
going to be broken. Instead of letting that brokeness linger,
rename the member, to force old and out-of-tree code to break
at compile time instead of at runtime.

No intended functional changes in this commit.

Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jens Axboe
2016-08-05 15:35:16 -06:00
parent 31c64f7876
commit 1eff9d322a
51 changed files with 158 additions and 157 deletions
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2
drivers/md/bcache/writeback.h
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@@ -57,7 +57,7 @@ static inline bool should_writeback(struct cached_dev *dc, struct bio *bio,
if (would_skip)
return false;
return bio->bi_rw & REQ_SYNC ||
return bio->bi_opf & REQ_SYNC ||
in_use <= CUTOFF_WRITEBACK;
}